Home / 15,499,995.26-21,389,599.77-8,435,288.21

Finding the Fourth Proportional to 15,499,995.26, 21,389,599.77 and 8,435,288.21

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Solution

The fourth proportional to 15,499,995.26, 21,389,599.77 and 8,435,288.21 is: 11,640,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499,995.26 : 21,389,599.77 = 8,435,288.21 : x
  2. Step 2: Convert to fraction form
    15,499,995.26/21,389,599.77 = 8,435,288.21/x
  3. Step 3: Cross multiply
    15,499,995.26x = 21,389,599.77 × 8,435,288.21
  4. Step 4: Simplify right side
    15,499,995.26x = 180,427,438,649,551.72
  5. Step 5: Solve for x
    x = 180,427,438,649,551.72/15,499,995.26
  6. Step 6: Final answer
    x = 11,640,483.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.